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SubjectRe: [PATCHv14 00/17] Linear Address Masking enabling
On Wed, Jan 11, 2023 at 03:37:19PM +0300, Kirill A. Shutemov wrote:

> Kirill A. Shutemov (12):
> x86/mm: Rework address range check in get_user() and put_user()
> x86: Allow atomic MM_CONTEXT flags setting
> x86: CPUID and CR3/CR4 flags for Linear Address Masking
> x86/mm: Handle LAM on context switch
> mm: Introduce untagged_addr_remote()
> x86/uaccess: Provide untagged_addr() and remove tags before address
> check
> x86/mm: Provide arch_prctl() interface for LAM
> x86/mm: Reduce untagged_addr() overhead until the first LAM user
> mm: Expose untagging mask in /proc/$PID/status
> iommu/sva: Replace pasid_valid() helper with mm_valid_pasid()
> x86/mm/iommu/sva: Make LAM and SVA mutually exclusive

+- the static_branch() thing,

Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>

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